3m-2(m-2)=20-(2m-5)

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Solution for 3m-2(m-2)=20-(2m-5) equation:


Simplifying
3m + -2(m + -2) = 20 + -1(2m + -5)

Reorder the terms:
3m + -2(-2 + m) = 20 + -1(2m + -5)
3m + (-2 * -2 + m * -2) = 20 + -1(2m + -5)
3m + (4 + -2m) = 20 + -1(2m + -5)

Reorder the terms:
4 + 3m + -2m = 20 + -1(2m + -5)

Combine like terms: 3m + -2m = 1m
4 + 1m = 20 + -1(2m + -5)

Reorder the terms:
4 + 1m = 20 + -1(-5 + 2m)
4 + 1m = 20 + (-5 * -1 + 2m * -1)
4 + 1m = 20 + (5 + -2m)

Combine like terms: 20 + 5 = 25
4 + 1m = 25 + -2m

Solving
4 + 1m = 25 + -2m

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '2m' to each side of the equation.
4 + 1m + 2m = 25 + -2m + 2m

Combine like terms: 1m + 2m = 3m
4 + 3m = 25 + -2m + 2m

Combine like terms: -2m + 2m = 0
4 + 3m = 25 + 0
4 + 3m = 25

Add '-4' to each side of the equation.
4 + -4 + 3m = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 3m = 25 + -4
3m = 25 + -4

Combine like terms: 25 + -4 = 21
3m = 21

Divide each side by '3'.
m = 7

Simplifying
m = 7

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